Question

Find the fraction of revolution that the hour hand of a clock turns through when it moves from:

a) 12 to 9     b) 8 to 5


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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

(a) When the hour hand goes from 12 to 9 clockwise, it will rotate by 3 right angles or 270º.

Fraction = $\frac{ {270}^{.} }{ {360}^{.} } = \frac{3}{4}$

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(b) When the hour hand goes from 8 to 5 clockwise, it will rotate by 3 right angles or 270º.

Fraction =$\frac{ {270}^{.} }{ {360}^{.} } = \frac{3}{4}$